package com.sh;

/**
 * @Auther: sh
 * @Version 1.0
 * @Description:
 */
public class 数据类型Test {
    public static void main(String[] args) {
        Integer a = 127;
        Integer b = 127;
        Integer c = 128;
        Integer d = 128;
        System.out.println(a==b); //true
        System.out.println(c==d); //false

        Float i11 = 333f;
        Float i22 = 333f;
        System.out.println(i11 == i22);//false

        Double i3 = 1.2;
        Double i4 = 1.2;
        System.out.println(i3 == i4);//false

    }
}

